About Masamoto Swedish Steel The KS Series is Masamoto’s range of high-grade Sweden Stainless Steel Japanese traditional-style knife. Masamoto KS Series Wa Gyuto is completely hand sharpened, polished and finished by especially skilled and experienced craftsmen, which results in extra edge sharpness and a more refined level of finish.This line is highly recommended for those who enjoy knives with a traditional Japanese handle. About Masamoto Minosuke Matsuzawa, the founder of the Masamoto Sohonten Company started making knives in 1866. It was his dream that his family would come to be remembered as knife craftsmen throughout the generations. Now, five generations later, Matsuzawa’s vision has been realized and professionally crafted Masamoto knives have become widely regarded as the finest knives made for professional use. Purpose of Sujihiki The sujihiki is a slicing knife intended for slicing boneless fish filets. It can also be used to slice boneless roasts, hams and poultry breasts. The short height of the blade creates less friction when slicing and the blade draws through fish and meat effortlessly using the entire length of the blade. The sujihiki is the Western-style equivalent the traditional yanagi knife.